feat(20240705_area): 地区管理

- 优化地区管理：增删改查
- 优化tableSelect组件：增加树形结构和懒加载

backend/dvadmin/system/views/area.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+import pypinyin
 from django.db.models import Q
 from rest_framework import serializers
 
@@ -15,6 +16,11 @@ class AreaSerializer(CustomModelSerializer):
     """
     pcode_count = serializers.SerializerMethodField(read_only=True)
     hasChild = serializers.SerializerMethodField()
+    pcode_info = serializers.SerializerMethodField()
+
+    def get_pcode_info(self, instance):
+        pcode = Area.objects.filter(code=instance.pcode_id).values("name", "code")
+        return pcode
 
     def get_pcode_count(self, instance: Area):
         return Area.objects.filter(pcode=instance).count()
@@ -36,6 +42,18 @@ class AreaCreateUpdateSerializer(CustomModelSerializer):
     地区管理 创建/更新时的列化器
     """
 
+    def to_internal_value(self, data):
+        pinyin = ''.join([''.join(i) for i in pypinyin.pinyin(data["name"], style=pypinyin.NORMAL)])
+        data["level"] = 1
+        data["pinyin"] = pinyin
+        data["initials"] = pinyin[0].upper() if pinyin else "#"
+        pcode = data["pcode"] if 'pcode' in data else None
+        if pcode:
+            pcode = Area.objects.get(pk=pcode)
+            data["pcode"] = pcode.code
+            data["level"] = pcode.level + 1
+        return super().to_internal_value(data)
+
     class Meta:
         model = Area
         fields = '__all__'
@@ -52,20 +70,28 @@ class AreaViewSet(CustomModelViewSet, FieldPermissionMixin):
     """
     queryset = Area.objects.all()
     serializer_class = AreaSerializer
+    create_serializer_class = AreaCreateUpdateSerializer
+    update_serializer_class = AreaCreateUpdateSerializer
     extra_filter_class = []
 
-    def get_queryset(self):
+    def list(self, request, *args, **kwargs):
         self.request.query_params._mutable = True
         params = self.request.query_params
-        pcode = params.get('pcode', None)
-        page = params.get('page', None)
-        limit = params.get('limit', None)
-        if page:
-            del params['page']
-        if limit:
-            del params['limit']
-        if params and pcode:
-            queryset = self.queryset.filter(enable=True, pcode=pcode)
-        else:
+        known_params = {'page', 'limit', 'pcode'}
+        # 使用集合操作检查是否有未知参数
+        other_params_exist = any(param not in known_params for param in params)
+        if other_params_exist:
             queryset = self.queryset.filter(enable=True)
-        return queryset
+        else:
+            pcode = params.get('pcode', None)
+            params['limit'] = 999
+            if params and pcode:
+                queryset = self.queryset.filter(enable=True, pcode=pcode)
+            else:
+                queryset = self.queryset.filter(enable=True, level=1)
+        page = self.paginate_queryset(queryset)
+        if page is not None:
+            serializer = self.get_serializer(page, many=True, request=request)
+            return self.get_paginated_response(serializer.data)
+        serializer = self.get_serializer(queryset, many=True, request=request)
+        return SuccessResponse(data=serializer.data, msg="获取成功")